LT1956 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT1956 is a 60.00 V non-sync Buck Converter from with 1.20 A output current. The maximum 60.00 V input voltage can be regulated down into a 1.20 V to 60.00 V output voltage.

It requires are a typical inductor size of 10.00 µH, a typical external component count of 11 and achieves a peak efficiency of 90 %. Further LT1956 characteristics are a fixed 500 kHz switching frequency and 1 available package option(s): TSSOP-16 .

For the LT1956 replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

ParameterValueReplacement
Search Filter
V-IN min. 5.50 V
V-IN max. 60.00 V
I-OUT? 1.20 A
V-OUT min. 1.20 V
V-OUT max. 60.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 500 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 580 kHz
Frequency adj./ ext.clock max 700 kHz
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 2200 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 10.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 90 %
Component count min. 11
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP TSSOP-16
DIP
TO
DDPAK

LT1956 Datasheet

Link to the most up-to-date LT1956 datasheet and the product page for EVM, tools and support information.

LT1956

LT1956 Sample stock and distributor price breaks

LT1956 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 11

Chip One Stop (10)

ProductStockPriceBuy
LT1956EFE-5#PBF109
15.36 USD
1005.01 USD
Buy Now
LT1956EFE#PBF491
14.53 USD
103.33 USD
Buy Now
LT1956EGN-5#PBF314
15.19 USD
1004.95 USD
Buy Now
LT1956EGN-5#PBF314
15.19 USD
1004.95 USD
Buy Now
LT1956EGN#PBF100
17.91 USD
105.46 USD
504.50 USD
1004.38 USD
Buy Now
LT1956EGN#PBF1180
15.17 USD
1004.93 USD
Buy Now
LT1956IFE-5#PBF418
16.36 USD
1005.95 USD
Buy Now
LT1956IFE#PBF267
16.36 USD
1006.03 USD
Buy Now
LT1956IGN-5#PBF147
16.31 USD
1006.02 USD
Buy Now
LT1956IGN#PBF19
16.31 USD
Buy Now

Conrad COM (1)

ProductStockPriceBuy
LT1956EFE#PBF4Buy Now

Conrad UK (1)

ProductStockPriceBuy
LT1956EFE#PBF4Buy Now

Digi-Key (12)

ProductStockPriceBuy
LT1956EGN#PBF2408
17.56 USD
255.02 USD
1003.79 USD
Buy Now
LT1956EGN-5#PBF1395
17.56 USD
255.02 USD
1003.79 USD
Buy Now
LT1956EFE#PBF760
17.69 USD
255.47 USD
1004.50 USD
Buy Now
LT1956IFE#PBF297
19.12 USD
256.49 USD
1005.34 USD
Buy Now
LT1956IFE-5#PBF190
19.12 USD
256.49 USD
1005.34 USD
Buy Now
LT1956EFE-5#PBF170
17.69 USD
255.47 USD
1004.50 USD
Buy Now
LT1956IGN-5#PBF287
19.23 USD
256.13 USD
1004.53 USD
Buy Now
LT1956EGN-5#TRPBF2500
25003.90 USD
Buy Now
LT1956EGN-5#TRPBF2500
18.61 USD
257.69 USD
1004.68 USD
2504.29 USD
Buy Now
LT1956EGN-5#TRPBF2500
18.61 USD
257.69 USD
1004.68 USD
2504.29 USD
Buy Now
DC423B3
1102.00 USD
Buy Now
LT1956IGN#PBF24
19.23 USD
256.13 USD
1004.53 USD
Buy Now
LT1956EGN#TRPBF0
25003.90 USD
Buy Now
LT1956EFE#TRPBF0
25004.60 USD
Buy Now
LT1956EFE-5#TRPBF0
25004.60 USD
Buy Now
LT1956IGN#TRPBF0
25004.63 USD
Buy Now
LT1956IGN-5#TRPBF0
25004.63 USD
Buy Now
LT1956IFE#TRPBF0
25005.45 USD
Buy Now
LT1956IFE-5#TRPBF0
25005.45 USD
Buy Now

Distrelec (1)

ProductStockPriceBuy
LT1956EFE#PBF46Buy Now

Element14 (3)

ProductStockPriceBuy
LT1956EGN-5#PBF179
111.80 USD
257.83 USD
1005.92 USD
Buy Now
LT1956IGN-5#PBF4
114.40 USD
259.56 USD
1007.07 USD
Buy Now
LT1956IGN#PBF461
114.40 USD
259.56 USD
1007.07 USD
Buy Now

Farnell Element14 (3)

ProductStockPriceBuy
LT1956EFE#PBF0Buy Now
LT1956EGN-5#PBF209Buy Now
LT1956EGN#PBF0Buy Now
LT1956IGN-5#PBF4Buy Now
LT1956IGN#PBF461Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LT1956IGN#PBF91
19.02 USD
255.95 USD
1004.49 USD
Buy Now

RS Components (3)

ProductStockPriceBuy
LT1956EFE#PBF90Buy Now
LT1956EGN#PBF90Buy Now
LT1956IFE#PBF7Buy Now

Reichelt Elektronik (3)

ProductStockPriceBuy
LT1956EFE#PBF1Buy Now
LT1956EFE#PBF1Buy Now
LT1956EFE#PBF1Buy Now

Transfer Multisort Elektronik (2)

ProductStockPriceBuy
LT1956EFE#PBF4Buy Now
LT1956IFE#PBF1Buy Now

Available Distributors with stock: 13

Arrow Electronics

ProductStockPriceBuy
LT1956EGN#PBF 1180
14.32 $
1003.72 $
Buy Now
LT1956IFE-5#PBF 418
16.36 $
1005.24 $
Buy Now
LT1956EGN-5#PBF 314
14.32 $
1003.72 $
Buy Now
LT1956IGN-5#PBF 147
15.15 $
1004.44 $
Buy Now
LT1956EGN-5#PBF 51
14.32 $
1003.72 $
Buy Now
LT1956IFE 0 Buy Now
LT1956IFE 0 Buy Now
LT1956EGN-5#PBF 0
14.32 $
1003.72 $
Buy Now
LT1956IFE#TRPBF 0
1005.34 $
Buy Now
LT1956IFE#TRPBF 0
1005.34 $
Buy Now
LT1956EGN#TRPBF 0
1003.82 $
Buy Now
LT1956IFE-5#TRPBF 0
1005.34 $
Buy Now
LT1956IGN#TRPBF 0
1004.54 $
Buy Now
LT1956EFE-5#TRPBF 0
1004.51 $
Buy Now
LT1956EGN-5#TRPBF 0
1003.82 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT1956EGN-5#TRPBF 2500
25003.16 €
Buy Now
LT1956EGN-5#TRPBF 2500
2503.47 €
1003.79 €
256.23 €
16.98 €
Buy Now
LT1956EGN-5#TRPBF 2500
2503.47 €
1003.79 €
256.23 €
16.98 €
Buy Now
LT1956EGN#PBF 2408
1003.07 €
254.07 €
16.13 €
Buy Now
LT1956EGN-5#PBF 1395
1003.07 €
254.07 €
16.13 €
Buy Now
LT1956EFE#PBF 760
1003.64 €
254.43 €
16.23 €
Buy Now
LT1956IFE#PBF 297
1004.33 €
255.26 €
17.39 €
Buy Now
LT1956IGN-5#PBF 287
1003.67 €
254.96 €
17.48 €
Buy Now
LT1956IFE-5#PBF 190
1004.33 €
255.26 €
17.39 €
Buy Now
LT1956EFE-5#PBF 170
1003.64 €
254.43 €
16.23 €
Buy Now
LT1956IGN#PBF 24
1003.67 €
254.96 €
17.48 €
Buy Now
DC423B 3
182.64 €
Buy Now
LT1956EGN#TRPBF 0
25003.16 €
Buy Now
LT1956EFE#TRPBF 0
25003.73 €
Buy Now
LT1956EFE-5#TRPBF 0
25003.73 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LT1956IGN#PBF 91
19.02 $
255.95 $
1004.49 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT1956EGN#PBF 354
17.57 $
106.94 $
255.02 $
1003.79 $
Buy Now
LT1956IGN#PBF 300
19.24 $
108.47 $
256.13 $
1004.53 $
Buy Now
LT1956IGN-5#PBF 200
19.24 $
108.47 $
256.13 $
1004.53 $
Buy Now
LT1956EFE-5#PBF 185
17.70 $
107.06 $
255.47 $
1004.50 $
Buy Now
LT1956EGN-5#PBF 156
17.57 $
106.94 $
255.02 $
1003.79 $
Buy Now
LT1956IFE-5#PBF 130
19.14 $
108.38 $
256.49 $
1005.34 $
Buy Now
LT1956IFE#PBF 3
19.14 $
108.38 $
256.49 $
1005.34 $
Buy Now
LT1956IFE#TRPBF 0
110.52 $
109.76 $
259.38 $
1006.54 $
2505.99 $
Buy Now
LT1956EFE#PBF 0
17.70 $
107.06 $
255.47 $
1004.50 $
Buy Now
LT1956EFE#TRPBF 0
18.91 $
108.27 $
257.94 $
1005.52 $
2505.06 $
Buy Now
LT1956EGN-5#TRPBF 0
18.62 $
108.00 $
257.69 $
1004.68 $
2504.29 $
Buy Now
LT1956IGN#TRPBF 0
110.49 $
109.73 $
259.35 $
1005.56 $
2505.09 $
Buy Now
LT1956IFE-5#TRPBF 0
110.52 $
109.76 $
259.38 $
1006.54 $
2505.99 $
Buy Now
LT1956IGN-5#TRPBF 0
110.49 $
109.73 $
259.35 $
1005.56 $
2505.09 $
Buy Now
LT1956EGN#TRPBF 0
18.62 $
108.00 $
257.69 $
1004.68 $
2504.29 $
Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1956IFE 9 Buy Now

Quest Components

ProductStockPriceBuy
LT1956EFE 109
444.33 $
54.64 $
19.27 $
Buy Now
LT1956EGN#PBF 2 Buy Now
LT1956IFE#PBF 44
1715.50 $
516.00 $
120.00 $
Buy Now
LT1956IGN-5#PBF 23
54.95 $
26.60 $
19.90 $
Buy Now

TME Electronic Components

ProductStockPriceBuy
LT1956IFE#PBF 1
19.87 $
37.82 $
107.30 $
Buy Now
LT1956EFE#PBF 4
17.83 $
36.68 $
106.10 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT1956IFEPBF 34

element14 Asia-Pacific

ProductStockPriceBuy
LT1956IGN#PBF 461
111.52 $
257.65 $
1005.65 $
Buy Now
LT1956IGN-5#PBF 4
111.52 $
257.65 $
1005.65 $
Buy Now
LT1956EGN-5#PBF 179
19.44 $
256.26 $
1004.73 $
Buy Now

Farnell element14

ProductStockPriceBuy
LT1956IGN-5#PBF 4
14.49 GBP
104.15 GBP
253.95 GBP
503.75 GBP
1003.54 GBP
Buy Now
LT1956EGN#PBF 0
16.20 GBP
105.67 GBP
255.14 GBP
504.61 GBP
1004.09 GBP
Buy Now
LT1956EGN-5#PBF 199
16.20 GBP
105.39 GBP
254.88 GBP
504.38 GBP
1003.89 GBP
Buy Now
LT1956IGN#PBF 471
17.48 GBP
106.92 GBP
253.65 GBP
503.64 GBP
1003.63 GBP
Buy Now
show stock=0hide stock=0

Chip One Exchange

ProductStockPriceBuy
LT1956EGNPBF 42

Chip1Stop

ProductStockPriceBuy
LT1956IFE-5#PBF 418
1005.95 $
16.36 $
Buy Now
LT1956IFE#PBF 267
1006.03 $
16.36 $
Buy Now
LT1956IGN#PBF 19
16.31 $
Buy Now
LT1956EFE#PBF 491
103.33 $
14.53 $
Buy Now
LT1956EGN#PBF 100
1004.38 $
504.50 $
17.91 $
Buy Now
LT1956EGN#PBF 1180
1004.93 $
15.17 $
Buy Now
LT1956EFE-5#PBF 109
1005.01 $
15.36 $
Buy Now
LT1956IGN-5#PBF 147
1006.02 $
16.31 $
Buy Now
LT1956EGN-5#PBF 314
1004.90 $
15.14 $
Buy Now

RS Components

ProductStockPriceBuy
LT1956IFE#PBF 7
106.68 GBP
256.59 GBP
506.50 GBP
756.43 GBP
Buy Now
LT1956EFE#PBF 90
105.41 GBP
254.84 GBP
504.56 GBP
754.48 GBP
Buy Now
LT1956EGN#PBF 90
105.32 GBP
254.75 GBP
504.48 GBP
754.41 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1956. Optional, compare LT1956 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT1766 LT1766 product overviewLT1766 product overview Linear Technology TSSOP-16
10% LT1976 LT1976 product overviewLT1976 product overview Linear Technology TSSOP-16
10% LT1977 LT1977 product overviewLT1977 product overview Linear Technology TSSOP-16
10% MAX5090 MAX5090 product overviewMAX5090 product overview Maxim TQFN-16
50% MAX15014 MAX15014 product overviewMAX15014 product overview Maxim TQFN-36
50% MAX15015 MAX15015 product overviewMAX15015 product overview Maxim TQFN-36
50% MAX15016 MAX15016 product overviewMAX15016 product overview Maxim TQFN-36
50% MAX15017 MAX15017 product overviewMAX15017 product overview Maxim TQFN-36
50% MAX5080 MAX5080 product overviewMAX5080 product overview Maxim TQFN-32
50% MAX5081 MAX5081 product overviewMAX5081 product overview Maxim TQFN-16
50% MAX5096 MAX5096 product overviewMAX5096 product overview Maxim TSSOP-EP-20, TQFN-16
50% MAX5097 MAX5097 product overviewMAX5097 product overview Maxim TSSOP-EP-20, TQFN-16
50% NCV890101 NCV890101 product overviewNCV890101 product overview ON Semiconductor DFN-10
50% NCV890131 NCV890131 product overviewNCV890131 product overview ON Semiconductor DFN-10
50% A5970AD A5970AD product overviewA5970AD product overview ST SO-8
50% A5970D A5970D product overviewA5970D product overview ST SO-8
50% L5970AD L5970AD product overviewL5970AD product overview ST SO-8
50% L5970D L5970D product overviewL5970D product overview ST SO-8
50% LM2672 LM2672 product overviewLM2672 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1956.

V-IN max. 60 V, I-OUT 1.2 A, V-OUT min. 1.2 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025004 4.7 1.4 1.7 100.00 2.8 x 2.8 x 3
74404041047 4.7 1.6 1.9 91.00 4 x 4 x 1.2
74404042047 4.7 1.7 2.2 70.00 4 x 4 x 1.8
74404042068 6.8 1.5 1.8 98.00 4 x 4 x 1.8
74404052047 4.7 2.3 2.7 55.90 5 x 5 x 2
74404052056 5.6 2.1 2.6 67.50 5 x 5 x 2
74404052068 6.8 1.9 2.4 82.70 5 x 5 x 2
74404052075 7.5 1.7 2.1 96.80 5 x 5 x 2
74404063068 6.8 2.4 2.8 47.00 6 x 6 x 2.8
744042004 4.7 1.7 1.7 70.00 4.8 x 4.8 x 2
744043004 4.7 1.6 1.7 50.00 4.8 x 4.8 x 3
744045004 4.7 1.2 2.0 120.00 4.5 x 3.2 x 2.9
744052005 5.0 1.7 1.8 50.00 5.8 x 5.8 x 2
744052006 6.2 1.5 1.6 70.00 5.8 x 5.8 x 2
744052007 7.5 1.4 1.5 70.00 5.8 x 5.8 x 2
7440530047 4.7 2.4 2.0 30.00 5.8 x 5.8 x 3
744053005 5.3 2.3 1.9 30.00 5.8 x 5.8 x 3
744053006 6.2 2.2 1.7 40.00 5.8 x 5.8 x 3
744062005 5.0 2.2 2.0 40.00 6.8 x 6.8 x 2.5
744062006 6.2 1.9 1.8 40.00 6.8 x 6.8 x 2.5
744062007 7.5 1.7 1.6 50.00 6.8 x 6.8 x 2.5
7440680047 4.7 1.9 1.6 72.00 8 x 8 x 1.2
7440690047 4.7 2.2 1.8 56.00 8 x 8 x 1.5
7440690068 6.8 1.8 1.7 88.00 8 x 8 x 1.5
7440700047 4.7 3.0 2.2 37.00 8 x 8 x 2
7440700056 5.6 2.6 2.0 47.00 8 x 8 x 2
7440700068 6.8 2.4 1.8 56.00 8 x 8 x 2
74408941050 5.0 1.4 2.5 140.00 4.8 x 4.8 x 2.1
74408942047 4.7 1.6 2.9 86.80 4.8 x 4.8 x 3.1
74408942068 6.8 1.5 2.4 110.00 4.8 x 4.8 x 3.1
74408943068 6.8 2.0 2.7 51.00 4.8 x 4.8 x 4.1
74437321056 5.6 1.6 2.7 180.00 4.45 x 4.06 x 1.2
74437321068 6.8 1.3 2.4 300.00 4.45 x 4.06 x 1.2
74438335047 4.7 1.5 2.8 141.00 3 x 3 x 1.5
74438336068 6.8 1.6 2.9 168.00 3 x 3 x 2
7447462068 6.8 3.3 3.0 27.00 5.5 x 5.5 x 8.5
744773047 4.7 1.8 2.5 59.00 4 x 4.5 x 3.5
744773056 5.6 1.6 2.4 69.00 4 x 4.5 x 3.5
744773068 6.8 1.5 2.1 76.00 4 x 4.5 x 3.5
7447785004 4.7 2.2 2.5 60.00 5.9 x 6.2 x 3.3
7447785006 6.8 2.3 2.0 79.00 5.9 x 6.2 x 3.3
7447786004 4.7 2.8 2.8 57.00 5.9 x 6.2 x 5.1
7447786006 6.8 2.5 2.3 62.00 5.9 x 6.2 x 5.1
7447789006 6.8 2.5 2.8 41.50 7.3 x 7.3 x 3.5
744779068 6.8 2.2 2.8 27.00 6 x 6 x 6.5
744787068 6.8 3.0 3.0 27.00 7.8 x 7 x 5
78438335047 4.7 1.5 2.8 141.00 3 x 3 x 1.5
784773047 4.7 1.8 2.5 59.00 4 x 4.5 x 3.5
784773056 5.6 1.6 2.4 69.00 4 x 4.5 x 3.5
784773068 6.8 1.5 2.1 76.00 4 x 4.5 x 3.5
784778068 6.8 2.3 2.5 79.00 7.3 x 7.3 x 3.5
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